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The Culligan H-52 & H-53 RO System is a 3 stage reverse osmosis system which contains two replacement water filter cartridges and one membrane. Below is a break down of each stage and the compatible replacement filter part numbers that can be found on our site.
STAGE 1 : RS-23-SED5 STAGE 2 : 1224433 STAGE 3 : K2333-JJ (1/4" Quick Connect)
STAGE 1 : RS-23-SED5
STAGE 2 : 1224433
STAGE 3 : K2333-JJ (1/4" Quick Connect)
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